Commissioner profileKayla Hahn Ph.D.ChairMissouri Public Service Commission, MissouriPublic contactPhone(573) 751-3687Fax(573) 751-1847Trust and provenance · Commissioner profileA RegulatorIndex public-directory record. Contact and role fields come from the displayed roster source; the official commission website is provided for confirmation.Source accessedFebruary 25, 2026SourcesOfficial commission website ↗Official commission source · Missouri Public Service CommissionPublic commissioner roster ↗Public commission roster · National Association of Regulatory Utility CommissionersMethodology and standardsReport a correctionCorrections are reviewed against authoritative sources before any public record changes.Other commissioners at this commissionCommissionerGlen KolkmeyerMissouri Public Service CommissionCommissionerJohn P. MitchellMissouri Public Service CommissionCommissionerMaida J. ColemanMissouri Public Service Commission